From 536d022e8a55f6e53f01dfb7e0fae2ef24385aad Mon Sep 17 00:00:00 2001 From: Tolmachev Igor Date: Sun, 22 Mar 2026 19:56:47 +0300 Subject: Init project --- alembic/env.py | 93 ++++++++++++++++++++++++++++++++++++++++++++++++++ alembic/script.py.mako | 28 +++++++++++++++ 2 files changed, 121 insertions(+) create mode 100644 alembic/env.py create mode 100644 alembic/script.py.mako (limited to 'alembic') diff --git a/alembic/env.py b/alembic/env.py new file mode 100644 index 0000000..ff0b27f --- /dev/null +++ b/alembic/env.py @@ -0,0 +1,93 @@ +import asyncio +from logging.config import fileConfig + +from sqlalchemy import pool +from sqlalchemy.engine import Connection +from sqlalchemy.ext.asyncio import async_engine_from_config + +import models +from alembic import context +from settings import database_url + +# this is the Alembic Config object, which provides +# access to the values within the .ini file in use. +config = context.config +config.set_main_option("sqlalchemy.url", database_url) + +# Interpret the config file for Python logging. +# This line sets up loggers basically. +if config.config_file_name is not None: + fileConfig(config.config_file_name) + +# add your model's MetaData object here +# for 'autogenerate' support +# from myapp import mymodel +# target_metadata = mymodel.Base.metadata +target_metadata = models.BaseTable.metadata + +# other values from the config, defined by the needs of env.py, +# can be acquired: +# my_important_option = config.get_main_option("my_important_option") +# ... etc. + + +def run_migrations_offline() -> None: + """Run migrations in 'offline' mode. + + This configures the context with just a URL + and not an Engine, though an Engine is acceptable + here as well. By skipping the Engine creation + we don't even need a DBAPI to be available. + + Calls to context.execute() here emit the given string to the + script output. + + """ + url = config.get_main_option("sqlalchemy.url") + context.configure( + url=url, + target_metadata=target_metadata, + literal_binds=True, + dialect_opts={"paramstyle": "named"}, + render_as_batch=True, + ) + + with context.begin_transaction(): + context.run_migrations() + + +def do_run_migrations(connection: Connection) -> None: + context.configure(connection=connection, target_metadata=target_metadata) + + with context.begin_transaction(): + context.run_migrations() + + +async def run_async_migrations() -> None: + """In this scenario we need to create an Engine + and associate a connection with the context. + + """ + + connectable = async_engine_from_config( + config.get_section(config.config_ini_section, {}), + prefix="sqlalchemy.", + poolclass=pool.NullPool, + ) + + async with connectable.connect() as connection: + await connection.run_sync(do_run_migrations) + + await connectable.dispose() + + +def run_migrations_online() -> None: + """Run migrations in 'online' mode.""" + + asyncio.run(run_async_migrations()) + + +if context.is_offline_mode(): + run_migrations_offline() +else: + run_migrations_online() diff --git a/alembic/script.py.mako b/alembic/script.py.mako new file mode 100644 index 0000000..1101630 --- /dev/null +++ b/alembic/script.py.mako @@ -0,0 +1,28 @@ +"""${message} + +Revision ID: ${up_revision} +Revises: ${down_revision | comma,n} +Create Date: ${create_date} + +""" +from typing import Sequence, Union + +from alembic import op +import sqlalchemy as sa +${imports if imports else ""} + +# revision identifiers, used by Alembic. +revision: str = ${repr(up_revision)} +down_revision: Union[str, Sequence[str], None] = ${repr(down_revision)} +branch_labels: Union[str, Sequence[str], None] = ${repr(branch_labels)} +depends_on: Union[str, Sequence[str], None] = ${repr(depends_on)} + + +def upgrade() -> None: + """Upgrade schema.""" + ${upgrades if upgrades else "pass"} + + +def downgrade() -> None: + """Downgrade schema.""" + ${downgrades if downgrades else "pass"} -- cgit v1.3